Cathodes of various materials "Kimball Physics Cathodes"

■ This is an article posted on June 2019, 10, so the content of the information may be out of date.

On the Unipos website, cathodes of various materials such as LaB6 (lanthanum hexaboride) Kimball Physics Cathodes – Emitters Page has been added.

U.S. manufacturer of scientific instruments for ultra high vacuum electron and ion optics for over 50 years Kimball PhysicsWe deal with various types of Cassault https://www.unipos.net/find/product_item.php?id=3373 manufactured by the same company. These products are used in various applications such as microscopes, lithography, X-ray generators, free electron lasers, and electron accelerators (also used in Electron guns and ion guns manufactured by the same company).

Cathode type (material)

・ Lanthanum Hexaboride (lanthanum hexaboride / LaB6) high brightness single-crystal
・ Tantalum (Ta / Ta) disk
・ Barium Oxide (Barium oxide / BaO) coated disc
・ Yttria (Yttrium oxide / Y2O3) coated iridium disc

Example of base type
* Some may not be selectable depending on the above cathode type

・ High tolerance ceramic with kovar or molybdenum pins
・ Standard ceramic AEI base
・ Compact Kimball Physics CB-104 / CB-105 base
・ Various microscope bases

There are various types depending on the material of the cathode and the shape of the pedestal, so please check the manufacturer's website and let us know your desired product.